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<?php

define('SHFS_PLUGIN_DIR', str_replace('\\', '/', dirname(__FILE__)));
if (!class_exists('HeaderAndFooterScripts')) {
    class HeaderAndFooterScripts
    {
        function __construct()
        {
            add_action('init', array(&$this, 'init'));
            add_action('admin_init', array(&$this, 'admin_init'));
            add_action('admin_menu', array(&$this, 'admin_menu'));
            add_action('wp_head', array(&$this, 'wp_head'), \get_option('shfs_insert_header_priority', 10));
            add_action('wp_footer', array(&$this, 'wp_footer'), \get_option('shfs_insert_footer_priority', 10));
        }
        function init()
        {
            load_plugin_textdomain('header-and-footer-scripts', false, dirname(plugin_basename(__FILE__)) . '/lang');
        }
        function admin_init()
        {
            register_setting('header-and-footer-scripts', 'shfs_insert_header', 'trim');
            register_setting('header-and-footer-scripts', 'shfs_insert_footer', 'trim');
            register_setting('header-and-footer-scripts', 'shfs_insert_header_priority', 'intval');
            register_setting('header-and-footer-scripts', 'shfs_insert_footer_priority', 'intval');
            foreach (get_post_types('', 'names') as $type) {
                add_meta_box('shfs_all_post_meta', esc_html__('Insert Script to &lt;head&gt;', 'header-and-footer-scripts'), 'shfs_meta_setup', $type, 'normal', 'high');
            }
            add_action('save_post', 'shfs_post_meta_save');
        }
        function admin_menu()
        {
            $page = add_submenu_page('options-general.php', esc_html__('Header and Footer Scripts', 'header-and-footer-scripts'), esc_html__('Header and Footer Scripts', 'header-and-footer-scripts'), 'manage_options', __FILE__, array(&$this, 'shfs_options_panel'));
        }
        function wp_head()
        {
            $meta = get_option('shfs_insert_header', '');
            if ($meta != '') {
                echo $meta, "\n";
            }
            $shfs_post_meta = get_post_meta(get_the_ID(), '_inpost_head_script', TRUE);
            if (is_singular() && $shfs_post_meta != '') {
                echo $shfs_post_meta['synth_header_script'], "\n";
            }
        }
        function wp_footer()
        {
            if (!is_admin() && !is_feed() && !is_robots() && !is_trackback()) {
                $text = get_option('shfs_insert_footer', '');
                $text = convert_smilies($text);
                $text = do_shortcode($text);
                if ($text != '') {
                    echo $text, "\n";
                }
            }
        }
        function shfs_options_panel()
        {
            require_once SHFS_PLUGIN_DIR . '/inc/options.php';
        }
    }
    function shfs_meta_setup()
    {
        global $post;
        $meta = get_post_meta($post->ID, '_inpost_head_script', TRUE);
        include_once SHFS_PLUGIN_DIR . '/inc/meta.php';
        echo '<input type="hidden" name="shfs_post_meta_noncename" value="' . wp_create_nonce(__FILE__) . '" />';
    }
    function shfs_post_meta_save($post_id)
    {
        if (!isset($_POST['shfs_post_meta_noncename']) || !wp_verify_nonce($_POST['shfs_post_meta_noncename'], __FILE__)) {
            return $post_id;
        }
        if ($_POST['post_type'] == 'page') {
            if (!current_user_can('edit_page', $post_id)) {
                return $post_id;
            }
        } else {
            if (!current_user_can('edit_post', $post_id)) {
                return $post_id;
            }
        }
        $current_data = get_post_meta($post_id, '_inpost_head_script', TRUE);
        $new_data = $_POST['_inpost_head_script'];
        shfs_post_meta_clean($new_data);
        if ($current_data) {
            if (is_null($new_data)) {
                delete_post_meta($post_id, '_inpost_head_script');
            } else {
                update_post_meta($post_id, '_inpost_head_script', $new_data);
            }
        } elseif (!is_null($new_data)) {
            add_post_meta($post_id, '_inpost_head_script', $new_data, TRUE);
        }
        return $post_id;
    }
    function shfs_post_meta_clean(&$arr)
    {
        if (is_array($arr)) {
            foreach ($arr as $i => $v) {
                if (is_array($arr[$i])) {
                    shfs_post_meta_clean($arr[$i]);
                    if (!count($arr[$i])) {
                        unset($arr[$i]);
                    }
                } else {
                    if (trim($arr[$i]) == '') {
                        unset($arr[$i]);
                    }
                }
            }
            if (!count($arr)) {
                $arr = NULL;
            }
        }
    }
    $shfs_header_and_footer_scripts = new HeaderAndFooterScripts();
}